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Hager BB1168 NRP 4.5" x 4.5" Heavy Weight Ball Bearing Hinge
The Hager BB1168 NRP is a powerhouse in commercial door hardware, specifically engineered for heavy-weight doors and high-frequency service environments. Whether you are outfitting a high-traffic entrance or a heavy fire-rated door, this 5-knuckle ball bearing hinge provides the structural integrity and smooth operation required for long-term reliability.
Maximum Security with Non-Removable Pin (NRP)
The NRP (Non-Removable Pin) feature is an essential security innovation for exterior or outward-swinging doors. By utilizing a hidden set screw within the hinge barrel, the Hager BB1168 NRP prevents unauthorized removal of the hinge pin from the outside. This effectively thwarts attempts to bypass door locks by manipulating the hinges, providing critical peace of mind for secure door installations.
Heavy-Duty Performance and Fire Safety
With a robust .180 gauge steel construction and four ball bearings, this hinge distributes door weight more effectively than standard hinges. It is UL Fire Rated for up to three hours, ensuring full compliance with NFPA80 safety regulations for emergency egress and fire-rated assemblies.
Technical Specifications
| Feature | Specification |
| Model Number | Hager BB1168 NRP |
| Dimensions | 4.5" x 4.5" (114mm x 114mm) |
| Hinge Type | Full Mortise - Heavy Weight - 5 Knuckle |
| Material | Steel with Steel Pin (Plated Finish) |
| Gauge (Thickness) | 0.180" |
| Door Thickness | Optimized for 1-3/4" (44mm) Doors |
| Bearing Count | 4 Ball Bearings |
| Security Feature | Non-Removable Pin (NRP) |
| Standards | ANSI A8112; ANSI/BHMA A156.1 |
| Fire Rating | UL Certified (Up to 3 Hours); NFPA80 Compliant |
| Corner Type | Square Corners |
Installation and Fasteners
Every Hager BB1168 is furnished with a complete set of high-quality fasteners to ensure a permanent and secure fit:
- Machine Screws: (8 ea) 1/2" 12-24 FPHM
- Wood Screws: (4 ea) 1-1/4" x 12 FPHM
| General - US Finishes | US26D - Satin Chrome or US10 - Satin Bronze or US10B - Oil Rubbed Bronze or USP - Prime Painted |
| Brand | Hager |
| Hinge Height | 4.5" Hi |
| Hinge Width | 4.5" Wi |
| Hinge Grade/Thickness | Heavy Wt .180 to .190 |
| Hinge Type | Full Mortise |
| Hinge Options | Ball Bearing, NRP (Non Removable Pin) |
| Base Material | Steel |
| Hinge Corners | Square |
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